KR940010558A - Automatic Signal Tracking System and Control Method of Satellite Broadcast Receiver - Google Patents
Automatic Signal Tracking System and Control Method of Satellite Broadcast Receiver Download PDFInfo
- Publication number
- KR940010558A KR940010558A KR1019920018675A KR920018675A KR940010558A KR 940010558 A KR940010558 A KR 940010558A KR 1019920018675 A KR1019920018675 A KR 1019920018675A KR 920018675 A KR920018675 A KR 920018675A KR 940010558 A KR940010558 A KR 940010558A
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- voice
- channel
- satellite
- tuner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract 4
- 230000005684 electric field Effects 0.000 claims abstract 5
- 230000007423 decrease Effects 0.000 claims 2
- 230000001360 synchronised effect Effects 0.000 claims 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 230000005236 sound signal Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
- H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
- H04H40/90—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for satellite broadcast receiving
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- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
본 발명은 자동으로 신호를 추적하여 최적의 신호 수신 상태로 선국하는데 적당하도록 한 위성수신기의 자동신호 추적 시스템 및 그 제어방법에 관한 것으로서, 현재 수신되고 있는 채널의 각종 정보가 AFT 이득레벨, 동기신호 유무에서 나오며 이 정보를 마이크를 콘트롤 유니트가 인지하여 제3도와 같은 흐름으로 파라볼라 안테나의 위치, 극성조절기의 변위, 비데오 채널 주파수를 현재의 값에서 차례로 적당량 증감하는 순서를 거치면서 최고의 이득 레벨과 안정된 동기신호의 추출, AFT의 결과를 점검하여 놓고 다음 제1 및 제2복조부의 전계강도 출력을 역시 A/D 변환하여, 음성채널 선국 전계 위상동기루프회로에 5.0MHZ에서 9.0MHZ까지 10KHZ 간격으로 증가시키면서 전계의 출력이 최대인 점을 도출하며, 만일 스테레오인 경우는 레프트 채널의 위상동기 루프값에 180KHZ을 더한 범위에서 똑같은 동작을 한번더 반복하여 최적의 값을 구한다. 다음 앞서 찾아놓은 최적의 비데오 선국주파수, 극성조절기 조정값, 안테나추적이 변위값과 음성 선국주파수를 메모리의 같은 채널에 새로 저장함으로써 사용자는 단지 채널만 한번 선국하면 자동으로 최적의 신호수신 상태로 됨에따라 위성방송 수신기의 신뢰성을 향상 시킬 수 있는 것이다.The present invention relates to an automatic signal tracking system of a satellite receiver and a control method thereof, which are suitable for automatically tracking a signal and tuning to an optimal signal reception state, wherein various information of a channel currently being received includes an AFT gain level and a synchronization signal. This information is recognized by the control unit, and the control unit recognizes the microphone as shown in Figure 3. After extracting the synchronization signal and checking the result of the AFT, the A / D conversion of the field strength output of the first and second demodulators is also performed, and the voice channel tuning field phase synchronization loop circuit is increased by 10 KHZ intervals from 5.0 MHZ to 9.0 MHZ. While the output of the electric field is maximum, and if it is stereo, it is the phase synchronization of the left channel. The same behavior in the plus range 180KHZ to peugap repeated once more to obtain an optimum value. Next, the optimal video tuning frequency, polarity controller adjustment value, antenna tracking displacement value and voice tuning frequency are newly stored in the same channel of the memory so that the user automatically tunes to the optimal signal when the channel is tuned once. Therefore, the reliability of the satellite broadcasting receiver can be improved.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
재2도는 본 발명에 따른 위성방송 수신기의 자동신호 추적 시스템,2 is an automatic signal tracking system of a satellite broadcasting receiver according to the present invention,
제3도는 본 발명에 따른 위성수신기의 제어 흐름도.3 is a control flowchart of a satellite receiver according to the present invention.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920018675A KR950010247B1 (en) | 1992-10-10 | 1992-10-10 | The automatic signal tracking system of satelite receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920018675A KR950010247B1 (en) | 1992-10-10 | 1992-10-10 | The automatic signal tracking system of satelite receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
KR940010558A true KR940010558A (en) | 1994-05-26 |
KR950010247B1 KR950010247B1 (en) | 1995-09-12 |
Family
ID=19340973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920018675A Expired - Fee Related KR950010247B1 (en) | 1992-10-10 | 1992-10-10 | The automatic signal tracking system of satelite receiver |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR950010247B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100321590B1 (en) * | 1999-08-20 | 2002-02-01 | 오정훈 | A method for controlling an antenna of a digital satellite broadcast receiver |
-
1992
- 1992-10-10 KR KR1019920018675A patent/KR950010247B1/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100321590B1 (en) * | 1999-08-20 | 2002-02-01 | 오정훈 | A method for controlling an antenna of a digital satellite broadcast receiver |
Also Published As
Publication number | Publication date |
---|---|
KR950010247B1 (en) | 1995-09-12 |
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Legal Events
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PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19921010 |
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Comment text: Notification of reason for refusal Patent event date: 19950529 Patent event code: PE09021S01D |
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Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19950811 |
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Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19951127 |
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